CF1759721346215-tsm20251005211530

WWW.ROBTEX.COM - 21.12.in-addr.arpa

Search for IP or hostnames:

21.12.in-addr.arpa checked at 2025-10-06T03:29:06.193Z 516ms 107/107/107 100% R:11

21.12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:132🇺🇸 AT&T US - 7018
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132🇺🇸 AT&T US - 7018
PTRcbru.br.ns.els-gms.att.net
NSdbru.br.ns.els-gms.att.net
A2001:1890:1ff:9f0:68:94:156:134🇺🇸 AT&T US - 7018
PTRdbru.br.ns.els-gms.att.net
A68.94.156.134🇺🇸 AT&T US - 7018
PTRdbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:132🇺🇸 AT&T US - 7018
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132🇺🇸 AT&T US - 7018
PTRcmtu.mt.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net
A2001:1890:1ff:9f1:99:99:99:134🇺🇸 AT&T US - 7018
PTRdmtu.mt.ns.els-gms.att.net
A99.99.99.134🇺🇸 AT&T US - 7018
PTRdmtu.mt.ns.els-gms.att.net

12.in-addr.arpa

NScbru.br.ns.els-gms.att.net
NSdbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net

Up

Starts with same word

Starts similarily

AI analysis

21.12.in-addr.arpa is a parent of 228.21.12.in-addr.arpa, 9.21.12.in-addr.arpa, 93.21.12.in-addr.arpa and 188.21.12.in-addr.arpa.

21.12.in-addr.arpa delegates to four name servers: cbru.br.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

21.12.in-addr.arpa at least partially shares name servers with other domains, including lifetime-income-solutions.com, ups.tw, structuredsettlementsnyl.com, 96-27.46.231.12.in-addr.arpa and goldpointpartners.com.

These name servers are commonly used with ns9.customer.level3.net, ns6.customer.level3.net, ns10.vwr.com, ns2.vwr.com, b23.ns.els-gms.att.net, m23.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

Host names with two IP numbers: cbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132; dbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:134 and 68.94.156.134; cmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132; dmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:134 and 99.99.99.134.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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VEyYvzB CF johedugfp 2025-10-06